refactor(lib): fold utils/audio + autodj-overlap into lib/audio (audio-transition infra; drains utils/playback)

src/features/playback/store/audioEventHandlers.ts

@@ -28,7 +28,7 @@ import {
 } from '@/features/playback/utils/playback/playbackServer';
 import { resolvePlaybackUrl } from '@/features/playback/utils/playback/resolvePlaybackUrl';
 import { resolveReplayGainDb } from '@/features/playback/utils/audio/resolveReplayGainDb';
-import { audioPlayHiResBlendArgs } from '@/utils/audio/hiResCrossfadeResample';
+import { audioPlayHiResBlendArgs } from '@/lib/audio/hiResCrossfadeResample';
 import { showToast } from '@/utils/ui/toast';
 import { useAuthStore } from '@/store/authStore';
 import { getPlayGeneration, setIsAudioPaused } from '@/features/playback/store/engineState';
@@ -89,7 +89,7 @@ import {
 } from '@/features/playback/store/seekTargetState';
 import { refreshWaveformForTrack } from '@/features/playback/store/waveformRefresh';
 import { analyzeBoundary, computeWaveformSilence } from '@/lib/waveform/waveformSilence';
-import { autodjMaxOverlapCapSec } from '@/utils/playback/autodjOverlapCap';
+import { autodjMaxOverlapCapSec } from '@/lib/audio/autodjOverlapCap';
 import {
   autodjJsTriggerAtSec,
   clampCrossfadeSecs,

src/features/playback/store/audioListenerSetup/authSyncListener.ts

@@ -1,5 +1,5 @@
 import { invoke } from '@tauri-apps/api/core';
-import { effectiveLoudnessPreAnalysisAttenuationDb } from '@/utils/audio/loudnessPreAnalysisSlider';
+import { effectiveLoudnessPreAnalysisAttenuationDb } from '@/lib/audio/loudnessPreAnalysisSlider';
 import { useAuthStore } from '@/store/authStore';
 import { onAnalysisStorageChanged } from '@/store/analysisSync';
 import { emitNormalizationDebug } from '@/features/playback/store/normalizationDebug';

src/features/playback/store/audioListenerSetup/initialAudioSync.ts

@@ -1,5 +1,5 @@
 import { invoke } from '@tauri-apps/api/core';
-import { effectiveLoudnessPreAnalysisAttenuationDb } from '@/utils/audio/loudnessPreAnalysisSlider';
+import { effectiveLoudnessPreAnalysisAttenuationDb } from '@/lib/audio/loudnessPreAnalysisSlider';
 import { useAuthStore } from '@/store/authStore';
 import { emitNormalizationDebug } from '@/features/playback/store/normalizationDebug';
 import { invokeAudioSetNormalizationDeduped } from '@/features/playback/store/normalizationIpcDedupe';

src/features/playback/store/crossfadePreload.ts

@@ -1,6 +1,6 @@
 import { invoke } from '@tauri-apps/api/core';
 import { useAuthStore } from '@/store/authStore';
-import { autodjMaxOverlapCapSec } from '@/utils/playback/autodjOverlapCap';
+import { autodjMaxOverlapCapSec } from '@/lib/audio/autodjOverlapCap';
 import { computeWaveformSilence, planCrossfadeTransition } from '@/lib/waveform/waveformSilence';
 import { findLocalPlaybackUrl } from '@/store/localPlaybackResolve';
 import { playbackCacheKeyForRef } from '@/features/playback/utils/playback/playbackServer';

src/features/playback/store/engineLoadTrackAtPosition.ts

@@ -7,7 +7,7 @@ import {
 } from '@/features/playback/utils/playback/playbackServer';
 import { resolvePlaybackUrl } from '@/features/playback/utils/playback/resolvePlaybackUrl';
 import { resolveReplayGainDb } from '@/features/playback/utils/audio/resolveReplayGainDb';
-import { audioPlayHiResBlendArgs } from '@/utils/audio/hiResCrossfadeResample';
+import { audioPlayHiResBlendArgs } from '@/lib/audio/hiResCrossfadeResample';
 import { useAuthStore } from '@/store/authStore';
 import { getPlayGeneration, setIsAudioPaused } from '@/features/playback/store/engineState';
 import { touchHotCacheOnPlayback } from '@/features/playback/store/hotCacheTouch';

src/features/playback/store/normalizationIpcDedupe.test.ts

@@ -17,7 +17,7 @@ const { authState, invokeMock } = vi.hoisted(() => ({
 
 vi.mock('@tauri-apps/api/core', () => ({ invoke: invokeMock }));
 vi.mock('@/store/authStore', () => ({ useAuthStore: { getState: () => authState } }));
-vi.mock('@/utils/audio/loudnessPreAnalysisSlider', () => ({
+vi.mock('@/lib/audio/loudnessPreAnalysisSlider', () => ({
   effectiveLoudnessPreAnalysisAttenuationDb: (attenuation: number) => attenuation,
 }));
 

src/features/playback/store/normalizationIpcDedupe.ts

@@ -1,6 +1,6 @@
 import { invoke } from '@tauri-apps/api/core';
 import { useAuthStore } from '@/store/authStore';
-import { effectiveLoudnessPreAnalysisAttenuationDb } from '@/utils/audio/loudnessPreAnalysisSlider';
+import { effectiveLoudnessPreAnalysisAttenuationDb } from '@/lib/audio/loudnessPreAnalysisSlider';
 
 /**
  * Two IPC entry points to the Rust normalization pipeline that get hammered

src/features/playback/store/playTrackAction.ts

@@ -33,7 +33,7 @@ import {
 } from '@/store/localPlaybackResolve';
 import { resolvePlaybackUrl } from '@/features/playback/utils/playback/resolvePlaybackUrl';
 import { resolveReplayGainDb } from '@/features/playback/utils/audio/resolveReplayGainDb';
-import { audioPlayHiResBlendArgs } from '@/utils/audio/hiResCrossfadeResample';
+import { audioPlayHiResBlendArgs } from '@/lib/audio/hiResCrossfadeResample';
 import { useAuthStore } from '@/store/authStore';
 import { consumeCrossfadeDynamicOverlap, getCrossfadeTransition, peekArmedCrossfadeDynamicOverlap } from '@/features/playback/store/crossfadeTrimCache';
 import {

src/features/playback/store/resumeAction.ts

@@ -8,7 +8,7 @@ import {
 } from '@/features/playback/utils/playback/playbackServer';
 import { resolvePlaybackUrl } from '@/features/playback/utils/playback/resolvePlaybackUrl';
 import { resolveReplayGainDb } from '@/features/playback/utils/audio/resolveReplayGainDb';
-import { audioPlayHiResBlendArgs } from '@/utils/audio/hiResCrossfadeResample';
+import { audioPlayHiResBlendArgs } from '@/lib/audio/hiResCrossfadeResample';
 import { songToTrack } from '@/lib/media/songToTrack';
 import { useAuthStore } from '@/store/authStore';
 import {

src/features/playback/store/updateReplayGainAction.ts

@@ -1,4 +1,4 @@
-import { effectiveLoudnessPreAnalysisAttenuationDb } from '@/utils/audio/loudnessPreAnalysisSlider';
+import { effectiveLoudnessPreAnalysisAttenuationDb } from '@/lib/audio/loudnessPreAnalysisSlider';
 import { loudnessGainPlaceholderUntilCacheDb } from '@/features/playback/utils/audio/loudnessPlaceholder';
 import { resolveReplayGainDb } from '@/features/playback/utils/audio/resolveReplayGainDb';
 import { useAuthStore } from '@/store/authStore';